package p1;

/**
 * @author krystal
 * @date 2022/11/9 14:26
 */
public class Demo6 {
    public static void main(String[] args) {
        double d = 3.14;
        System.out.println(d);

        int a = 1;
        int b = 2;
        System.out.println(a / b);

        double num = 1.1;
        System.out.println(num * num);
    }
}
